Gyger, Marcel, Claudia Mertens, Walter Zeller, Klaus Peter Rippe, Beat Sitter-Liver, and Urs Thurnherr. “Research on Primates - an Ethical Evaluation”. ALTEX - Alternatives to animal experimentation 23, no. 3 (August 1, 2006): 159–168; 169. Accessed October 9, 2024. https://altex.org/index.php/altex/article/view/813.